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OSPF
OSPF

... Goals ...
arp
arp

... If local, continue processing for local delivery  If not local… ...
Networking Basics Introducing Basic Network Concepts *In the
Networking Basics Introducing Basic Network Concepts *In the

[2017 New] Lead2pass 100% Valid 100
[2017 New] Lead2pass 100% Valid 100

... protocol specific packets. Access lists can be used in a variety of situations when the router needs to be given guidelines for decision-making. These situations include: Filtering traffic as it passes through the router To control access to the VTY lines (Telnet) To identify "interesting" traffic t ...
The Internet Protocol - University of Calgary
The Internet Protocol - University of Calgary

... Stream Protocol, Version 2, originally defined in RFC 1190.  This protocol was originally seen by some as being a peer of IP at the Internet Layer in the TCP/IP architecture, and in its standard, these packets were assigned IP version 5 to differentiate them from “normal” IP packets (version 4).  ...
network
network

...  Each packet is forwarded independently of previous packets that might have been sent to the same destination  two successive packets from host A to host B may follow completely different paths (perhaps because of a change in the forwarding table at some switch in the network) ...
History of Data Compression
History of Data Compression

... operation differs from the primary operation of V.44 in modems using V.42 error correction procedures. The primary reason for a difference in the operation of V.44 in Frame Relay, packet networks, etc. is that, unlike modems, the network device or terminal has knowledge of packet and/or frame bounda ...
Gladiator Startup 1.0
Gladiator Startup 1.0

... Traffic in communication networks  Traffic - flow of information messages through a communication network  Generated as a result of o phone conversations o data exchange o audio, video delivery o signaling  Communication networks are designed to provide service to many users  At any instant of ...
ppt
ppt

... – Add random delays before NAK’ing ...
ppt
ppt

Transport Issues in Ad Hoc and Sensor Networks
Transport Issues in Ad Hoc and Sensor Networks

lecture
lecture

... First protocol for sending IP datagrams over dial-up links (from 1988) Encapsulation, not much else ...
Sender Receiver
Sender Receiver

... Classification algorithm Scheduling algorithm Admission control algorithm QoS Routing algorithm ...
WDM Multicasting via Optical Burst / Label Switching
WDM Multicasting via Optical Burst / Label Switching

... AB + BC + CD + 2(DE) + EG +EH+DF • Gives the near optimal solution to the problem of multicasting in a network where some/many nodes do not have the • It has been found that cost of forest using alg. 2 is much lower than the 1st ...
Chapter 8 - Weber State University
Chapter 8 - Weber State University

... next-hop_address This is the IP address of the next-hop router that will receive packets and forward them to the remote network, which must signify a router interface that’s on a directly connected network. You must be able to successfully ping the router interface before you can add the route. Impo ...
RIP, IGRP
RIP, IGRP

... 4. If a static route points to an interface that is not part of the RIP process (as defined with a network command) RIP will not advertise the route unless configured to: Router(config)# router rip Router(config-router)# redistribute static Floating Static routes are routes with an AD set greater th ...
lecture
lecture

... no need for explicit MAC addressing  e.g., dialup link, ISDN line popular point-to-point Data Link Control protocols:  PPP (point-to-point protocol)  Protocol choice for dialup link. ...
Ad-hoc networks
Ad-hoc networks

... Simple routing protocol example Propagation of routing table  Routing and transmitting ...
First
First

... Each envelope is individually routed.  No time guarantee for delivery.  No guarantee of delivery in sequence.  No guarantee of delivery at all !!! ...
network-layer.bak
network-layer.bak

...  Also known as Interior Gateway Protocols (IGP)  Most common Intra-AS routing protocols: ...
ppt
ppt

... the same administrative ownership Differentiate between edge and core routers Edge routers - Perform per aggregate shaping or policing - Mark packets with a small number of bits; each bit encoding represents a class (subclass) ...
Solution - Rab Nawaz Jadoon
Solution - Rab Nawaz Jadoon

... 4. Suppose that now there is no path between C and X; node C now advertises this route with a distance of infinity. Node A must not ignore this value even though its old entry is smaller. The old route does not exist any more. The new route has a distance of infinity. ...
Figure 2.1 Communication requires a message, a transmitter, a
Figure 2.1 Communication requires a message, a transmitter, a

... Figure 2.5 POTS and wireless are alternative access paths to the long distance infrastructure. ...
3rd Edition: Chapter 4 - International Institute of
3rd Edition: Chapter 4 - International Institute of

... Flow Label: identify datagrams in same “flow.” (concept of“flow” not well defined). Next header: identify upper layer protocol for data ...
Fastpass
Fastpass

... • Algorithm: arbiter greedily allocates a pair if allocating the pair does not violate bandwidth constraints. When it finishes processing all demands, it has a maximal matching, a matching in which none of the unallocated demands can be allocated while maintaining the bandwidth constraints. ...
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Multiprotocol Label Switching

Multiprotocol Label Switching (MPLS) is a mechanism in high-performance telecommunications networks that directs data from one network node to the next based on short path labels rather than long network addresses, avoiding complex lookups in a routing table. The labels identify virtual links (paths) between distant nodes rather than endpoints. MPLS can encapsulate packets of various network protocols. MPLS supports a range of access technologies, including T1/E1, ATM, Frame Relay, and DSL.
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